Home / 456,226.20-684,339.30-206,908.20

Finding the Fourth Proportional to 456,226.20, 684,339.30 and 206,908.20

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Solution

The fourth proportional to 456,226.20, 684,339.30 and 206,908.20 is: 310,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,226.20 : 684,339.30 = 206,908.20 : x
  2. Step 2: Convert to fraction form
    456,226.20/684,339.30 = 206,908.20/x
  3. Step 3: Cross multiply
    456,226.20x = 684,339.30 × 206,908.20
  4. Step 4: Simplify right side
    456,226.20x = 141,595,412,752.26
  5. Step 5: Solve for x
    x = 141,595,412,752.26/456,226.20
  6. Step 6: Final answer
    x = 310,362.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.